     addressUrl = window.location.href;
  if (addressUrl.indexOf("Project") > 0 ) {
          img_left=new Image();
          img_left.src="http://2013.igem.org/wiki/images/e/e1/WIKI-MASCOT-RUNNING-LEFT-GREEN.gif" ;
          img_right=new Image();
          img_right.src="http://2013.igem.org/wiki/images/7/78/WIKI-MASCOT-RUNNING-RIGHT-GREEN.gif" ;	
} else if (addressUrl.indexOf("Judging") > 0 ){
          img_left=new Image();
          img_left.src="http://2013.igem.org/wiki/images/d/dd/WIKI-MASCOT-RUNNING-LEFT-RED.gif" ;
          img_right=new Image();
          img_right.src="http://2013.igem.org/wiki/images/4/41/WIKI-MASCOT-RUNNING-RIGHT-RED.gif" ;	
} else if (addressUrl.indexOf("Safety") > 0 ){
          img_left=new Image();
          img_left.src="http://2013.igem.org/wiki/images/8/84/WIKI-MASCOT-RUNNING-LEFT-BLUE.gif" ;
          img_right=new Image();
          img_right.src="http://2013.igem.org/wiki/images/5/54/WIKI-MASCOT-RUNNING-RIGHT-BLUE.gif" ;     
} else if (addressUrl.indexOf("Notebook") > 0 ){
          img_left=new Image();
          img_left.src="http://2013.igem.org/wiki/images/9/9d/WIKI-MASCOT-RUNNING-LEFT-BRONE.gif" ;
          img_right=new Image();
          img_right.src="http://2013.igem.org/wiki/images/a/a2/WIKI-MASCOT-RUNNING-RIGHT-BRONE.gif" ;     
} else if (addressUrl.indexOf("China/Team") > 0 ){
          img_left=new Image();
          img_left.src="http://2013.igem.org/wiki/images/1/17/WIKI-MASCOT-RUNNING-LEFT-ORANGE.gif" ;
          img_right=new Image();
          img_right.src="http://2013.igem.org/wiki/images/f/f7/WIKI-MASCOT-RUNNING-RIGHT-ORANGE.gif" ;     
} else {    
        img_left=new Image();
        img_left.src="http://2013.igem.org/wiki/images/3/32/WIKI-MASCOT-RUNNING-LEFT.gif" ;
        img_right=new Image();
        img_right.src="http://2013.igem.org/wiki/images/6/6b/WIKI-MASCOT-RUNNING-RIGHT.gif" ;	
     }; 
$(document).ready(function(){
	var plength=0;
	var target=$("li.column");
	var img=$("#animat span");
	var mid=img.offset().left + img.width()/2 - parseInt(img.css("left"));
 	target.mouseenter(function(){
		var length=$(this).offset().left + $(this).width()/2 - mid;
	  img.stop();
	  if(length > plength) {
		  $("#animat span img").attr({"src" : img_right.src});	  
	  } else {
		  $("#animat span img").attr({"src" : img_left.src});  
	  }
	  plength=length;
	  img.animate(
	  {left:length},
	  500,
	  function(){
		  $("#animat span img").attr({"src" : "http://2013.igem.org/wiki/images/4/44/WIKI-MASCOT-STAND.png"});}
		  );
	  
	});
});